Home / 2,832.09-4,249.80-1,078.56

Finding the Fourth Proportional to 2,832.09, 4,249.80 and 1,078.56

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Solution

The fourth proportional to 2,832.09, 4,249.80 and 1,078.56 is: 1,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.09 : 4,249.80 = 1,078.56 : x
  2. Step 2: Convert to fraction form
    2,832.09/4,249.80 = 1,078.56/x
  3. Step 3: Cross multiply
    2,832.09x = 4,249.80 × 1,078.56
  4. Step 4: Simplify right side
    2,832.09x = 4,583,664.29
  5. Step 5: Solve for x
    x = 4,583,664.29/2,832.09
  6. Step 6: Final answer
    x = 1,618.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.